Big block Chevy 502 with
550 Hp performance aluminum head engine package can be custom designed to tailor to your specific needs. 4-7 Swap camshafts are known to accelerate smother throw the rpm band and have high horse power ratings. All engines can be custom painted to match your vehicle at your request. We can outfit your engine with the exclusive March Performance serpentine belt system. We can also assist you in choosing the proper transmission and stall speed converter combination for your vehicle and have it shipped directly to you as your performance crate engine is being built.

PROFORMANCE UNLIMITED INC.
RESERVES THE RIGHT TO MAKE CHANGES IN DESIGN OR TO
MAKE ADDITIONS TO OR IMPROVEMENTS UPON ANY OF ITS
PRODUCTS AT ANY TIME WITHOUT INCURRING ANY
OBLIGATION WHATSOEVER TO INSTALL THE SAME OR
IMPROVEMENT UPON PRODUCTS PREVIOUSLY MANUFACTURED.
OCCASIONALLY DEPENDING ON AVAILABILITY, PARTS MAY
BE SUBSTITUTED THAT WILL NOT EFFECT PRICE,
PERFORMANCE, APPEARANCE OR QUALITY OF THE PRODUCT.